| Message ID | 20250305130026.642219-6-faizal.abdul.rahim@linux.intel.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | igc: Add support for Frame Preemption feature in IGC | expand |
On Wed, Mar 05, 2025 at 08:00:20AM -0500, Faizal Rahim wrote: > Packet buffers (RX + TX) total 64KB. Neither RX or TX buffers can be > larger than 34KB. So divide the buffer equally, 32KB for each. > > Co-developed-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> > Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> > Signed-off-by: Faizal Rahim <faizal.abdul.rahim@linux.intel.com> > --- > drivers/net/ethernet/intel/igc/igc_defines.h | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h > index 8e449904aa7d..516ef70c98e9 100644 > --- a/drivers/net/ethernet/intel/igc/igc_defines.h > +++ b/drivers/net/ethernet/intel/igc/igc_defines.h > @@ -400,7 +400,8 @@ > #define I225_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */ > #define IGC_RXPBS_CFG_TS_EN 0x80000000 /* Timestamp in Rx buffer */ > > -#define IGC_TXPBSIZE_TSN 0x04145145 /* 5k bytes buffer for each queue */ > + /* 7KB bytes buffer for each tx queue (total 4 queues) + 4KB for BMC*/ Strange formatting here: space before "/*" but no space before "*/"? > +#define IGC_TXPBSIZE_TSN 0x041c71c7 > > #define IGC_DTXMXPKTSZ_TSN 0x19 /* 1600 bytes of max TX DMA packet size */ > #define IGC_DTXMXPKTSZ_DEFAULT 0x98 /* 9728-byte Jumbo frames */ > -- > 2.34.1 >
diff --git a/drivers/net/ethernet/intel/igc/igc_defines.h b/drivers/net/ethernet/intel/igc/igc_defines.h index 8e449904aa7d..516ef70c98e9 100644 --- a/drivers/net/ethernet/intel/igc/igc_defines.h +++ b/drivers/net/ethernet/intel/igc/igc_defines.h @@ -400,7 +400,8 @@ #define I225_TXPBSIZE_DEFAULT 0x04000014 /* TXPBSIZE default */ #define IGC_RXPBS_CFG_TS_EN 0x80000000 /* Timestamp in Rx buffer */ -#define IGC_TXPBSIZE_TSN 0x04145145 /* 5k bytes buffer for each queue */ + /* 7KB bytes buffer for each tx queue (total 4 queues) + 4KB for BMC*/ +#define IGC_TXPBSIZE_TSN 0x041c71c7 #define IGC_DTXMXPKTSZ_TSN 0x19 /* 1600 bytes of max TX DMA packet size */ #define IGC_DTXMXPKTSZ_DEFAULT 0x98 /* 9728-byte Jumbo frames */